Triangle Quiz

If you add up the degrees of each angle on a triangle, what is the sum?

• A.

  90'

• B.

  180'

• C.

  360'

What are the three types of triangles?

• A.

  Equilatiral, isoseles. scalene

• B.

  Equalateral, isoscoles, scalene

• C.

  Equilateral, isosceles, scalene

True or false: all triangles have three sides and three angles.

• A.

  True

• B.

  False

If the three sides of a triangle are all different lengths, they always form an equilateral, isosceles, or scalene triangle.

• A.

  True

• B.

  False

What triangle is it called when all three sides are the same?

• A.

  Scalene

• B.

  Diagron

• C.

  Isosceles

• D.

  Equilateral

What triangle is it called when two sides are the same and only one is different?

• A.

  Scalene

• B.

  Diagron

• C.

  Isosceles

• D.

  Equilateral

List the angle names (obese, acute, right) from smallest to biggest in terms of the angle type.

• A.

  Obese, acute, right

• B.

  Acute, obese, right

• C.

  Right, obese, acute

• D.

  Acute, right, obese

• E.

  Obese, right, acute

• F.

  Right, acute, obese

On a triangle, there are angles. There are different types of angles (acute, obese, right). Is the acute angle bigger or smaller than the right angle?

• A.

  Smaller

• B.

  Bigger

On a triangle, there are angles, there are different kinds of angles (acute, right, obese). What is the degrees of the right angle?

• A.

  A right angle is 80'.

• B.

  A right angle is 90'

• C.

  A right angle is 100'

• D.

  A right angle is 110'

The 3D form of a triangle is called the square _____ .

There are different types of pyramids (3D triangles). Which ones are actually types of pyramids?

• A.

  Triangle pyramid

• B.

  Square pyramid

• C.

  Circular pyramid

• D.

  Triangular pyramid

What is a pyramid with a circular bottom called?

• A.

  A circular pyramid

• B.

  A cone pyramid

• C.

  A cone

• D.

  A circle pyramid

Mark everything that is correct about triangles.

• A.

  They have three sides

• B.

  An acute angle on a triangle can be up to 100' before it becomes a right angle.

• C.

  Every angle on a triangle has to be at least 10'

• D.

  A right angle on a triangle is 90', so the biggest an acute angle on a triangle can be is 90'

• E.

  They are ALWAYS either equilateral, isosceles, or scalene triangles.

• F.

  Every angle on a triangle has to be less then 100'

• G.

  Triangles don't have to have three angles

• H.

  Every angle on a triangle has to be less than 180'

• I.

  The smallest an obese angle on a triangle can be is 80' degrees because a right angle is 80'.

• J.

  They have three angles

• K.

  All triangles have three sides except for a diagron triangle, which has three and a half sides.